TECH
Triumph twin crankshaft journal sizes
Measuring your Triumph crankshaft journals? Here are dimensions for the most popular vintage 500, 650, and 750 twin crankshafts.
Triumph motorcycle engine and frame numbers
WHAT YEAR IS IT?
Here is a guide to vintage Triumph motorcycle frame and engine numbers and how to identify what you have. From pre war to the close of the factory, you can find out what year your engine and frame were made with these charts...
Hastings Triumph piston ring installation notes
This USA made piston ring set is suitable for OEM A/E Hepolite Triumph 650 pistons, and area perfect compliment to the JCC 650 pistons currently available. Please read the following to insure proper seating of your new rings.
Triumph 650/750 Stainless Kibblewhite valve installation
This kit contains stainless one piece forged valves with uncoated stems. The guides are C67410 manganese bronze, which are able to be sized with a reamer. See our installation notes for this kit here.
Triumph Black Diamond Kibblewhite valve installation
Kibblewhite Black Diamond valves are the best you can get for your vintage Triumph motorcycle. These are our installation notes for the 650 and 750 twin valve kits.